CA106809A - Recepteur telephonique et microphone - Google Patents

Recepteur telephonique et microphone

Info

Publication number
CA106809A
CA106809A CA000106809A CA106809DA CA106809A CA 106809 A CA106809 A CA 106809A CA 000106809 A CA000106809 A CA 000106809A CA 106809D A CA106809D A CA 106809DA CA 106809 A CA106809 A CA 106809A
Authority
CA
Canada
Prior art keywords
michrophone
telephone receiver
telephone
receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000106809A
Other languages
English (en)
Inventor
Walter Axel Wilhelm Emanuel Hjorth
Carl Ernest Lyungman
Otto Robert Percival Berglund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA106809A publication Critical patent/CA106809A/fr
Expired legal-status Critical Current

Links

CA000106809A 1907-01-18 1907-01-18 Recepteur telephonique et microphone Expired CA106809A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA106809T 1907-01-18

Publications (1)

Publication Number Publication Date
CA106809A true CA106809A (fr) 1907-08-06

Family

ID=45226537

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000106809A Expired CA106809A (fr) 1907-01-18 1907-01-18 Recepteur telephonique et microphone

Country Status (1)

Country Link
CA (1) CA106809A (fr)

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